2023
DOI: 10.1080/02670844.2023.2239027
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A green vanadium-based formulation for the conversion of steel

Abstract: The electroless deposition of a novel vanadium-based conversion coating (VCC) on carbon steel was investigated varying parameters as vanadium salt concentration, immersion time, bath pH and temperature. The novelty resides on the deposition of a protective layer from a V 4+ solution comprising green reducing agents like ascorbic and citric acids. The VCC was found to be amorphous, composed by closely packed particles rich in vanadium oxides/ hydroxides. Corrosion resistance was evaluated by linear polarization… Show more

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Cited by 3 publications
(1 citation statement)
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“…This observation is further supported by the charge transfer resistance (R ct ) obtained from the EIS raw data sets, which have been fitted using a basic R(QR) Randles circuit (as shown in Fig. 3b insert), indicating the presence of a single-time constant [52,53]. The term Q or constant phase element (CPE) takes into account the deviation from a pure capacity behavior of the electrical double layer at the metal-electrolyte interface [52,54].…”
Section: Resultsmentioning
confidence: 64%
“…This observation is further supported by the charge transfer resistance (R ct ) obtained from the EIS raw data sets, which have been fitted using a basic R(QR) Randles circuit (as shown in Fig. 3b insert), indicating the presence of a single-time constant [52,53]. The term Q or constant phase element (CPE) takes into account the deviation from a pure capacity behavior of the electrical double layer at the metal-electrolyte interface [52,54].…”
Section: Resultsmentioning
confidence: 64%